Commit Graph

803 Commits

Author SHA1 Message Date
Gabor Greif e1f6e4b21d API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. Legacy interfaces will be in place for some time. (Merge from use-diet branch.)
llvm-svn: 51200
2008-05-16 19:29:10 +00:00
Gabor Greif 697e94cc22 Fix a bunch of 80col violations that arose from the Create API change. Tweak makefile targets to find these better.
llvm-svn: 51143
2008-05-15 10:04:30 +00:00
Dan Gohman 3dc2d92ebd Split the loop unroll mechanism logic out into a utility function.
Patch by Matthijs Kooijman!

llvm-svn: 51083
2008-05-14 00:24:14 +00:00
Dan Gohman 0479aa5c0b Change class' public PassInfo variables to by initialized with the
address of the PassInfo directly instead of calling getPassInfo.
This eliminates a bunch of dynamic initializations of static data.

Also, fold RegisterPassBase into PassInfo, make a bunch of its
data members const, and rearrange some code to initialize data
members in constructors instead of using setter member functions.

llvm-svn: 51022
2008-05-13 02:05:11 +00:00
Dan Gohman d78c400b5b Clean up the use of static and anonymous namespaces. This turned up
several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017
2008-05-13 00:00:25 +00:00
Dan Gohman 6a2da37c0e Make several variable declarations static.
llvm-svn: 50696
2008-05-06 01:53:16 +00:00
Dan Gohman a8b7e78f54 Remove uses of llvm/System/IncludeFile.h that are no longer needed.
llvm-svn: 50695
2008-05-06 01:32:53 +00:00
Devang Patel fa0e3c4a92 Handle multiple return values.
llvm-svn: 50604
2008-05-03 01:12:15 +00:00
Chris Lattner 8be72700b8 Fix PR2256, yet another miscompilation in simplifycfg of i
multiple return values.

Bill, please pull this into Tak.

llvm-svn: 50332
2008-04-28 00:19:07 +00:00
Nate Begeman ca270ad96f Feedback from chris
llvm-svn: 50271
2008-04-25 17:45:52 +00:00
Nick Lewycky 4d43d3c72c Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989
r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.

llvm-svn: 50265
2008-04-25 16:53:59 +00:00
Nate Begeman 6fed3b2038 Teach the PruningFunctionCloner how to look through loads with
ConstantExpression GEPs pointing into constant globals.

llvm-svn: 50256
2008-04-25 06:37:06 +00:00
Evan Cheng 608eeef5ce Adjust inline cost computation to be less aggressive.
llvm-svn: 50222
2008-04-24 18:42:47 +00:00
Chris Lattner 86bbf338e5 Split some code out of the main SimplifyCFG loop into its own function.
Fix said code to handle merging return instructions together correctly
when handling multiple return values.

llvm-svn: 50199
2008-04-24 00:01:19 +00:00
Devang Patel 8f83081fea Check type instead of no. of operands.
llvm-svn: 50179
2008-04-23 20:18:29 +00:00
Chris Lattner a5b11705b6 Move SplitBlockPredecessors out of loopsimplify into BasicBlockUtils.h
as a global helper function.  At the same type, switch it from taking
a vector of predecessors to an arbitrary sequential input.  This allows
us to switch LoopSimplify to use a SmallVector for various temporary
vectors that it passed into SplitBlockPredecessors.

llvm-svn: 50020
2008-04-21 01:28:02 +00:00
Chris Lattner d418b06abf Move domtree/frontier updating earlier, allowing us to use it to update phi
nodes, removing a hack.

llvm-svn: 50019
2008-04-21 01:05:08 +00:00
Chris Lattner 96e9e22269 Factor dominator tree and frontier updating into SplitBlockPredecessors
instead of doing it after every call.

llvm-svn: 50018
2008-04-21 00:54:38 +00:00
Chris Lattner aca912d793 simplify code, fit in 80 cols.
llvm-svn: 50015
2008-04-21 00:23:14 +00:00
Chris Lattner 38806c3e9c fit in 80 cols
llvm-svn: 50014
2008-04-21 00:19:16 +00:00
Scott Michel 376acf4aaa Remove unused variable
llvm-svn: 49838
2008-04-17 01:30:44 +00:00
Scott Michel f66cb3696a Workaround for PR2207, in which pred_iterator assert gets triggered due to a
wee problem in Xcode 2.[45]/gcc 4.0.1.

llvm-svn: 49831
2008-04-16 23:46:39 +00:00
Chuck Rose III c6a47e8a79 VisualStudio project files updated. #include <algorithm> added to make VisualStudio happy. Also had to undefine setjmp because of #include <csetjmp> turning setjmp into _setjmp in VisualStudio.
llvm-svn: 49743
2008-04-15 21:27:11 +00:00
Owen Anderson 7629b71dd4 Revert r49614. As Dan pointed out, some of these aren't correct.
llvm-svn: 49657
2008-04-14 17:38:21 +00:00
Owen Anderson 1f6fbc4bc3 Replace calls of the form V1->setName(V2->getName()) with V1->takeName(V2),
which is significantly more efficient.

llvm-svn: 49614
2008-04-13 19:15:17 +00:00
Devang Patel 8cd2a3ae2a Fix insert point handling for multiple return values.
llvm-svn: 49367
2008-04-08 02:24:08 +00:00
Duncan Sands 1416ebf1fe The "stacksave is not nounwind problem" no longer
needs to be fixed here - a previous commit made sure
that intrinsics always get the right attributes.
So remove no-longer needed code, and while there use
Intrinsic::getDeclaration rather than getOrInsertFunction. 

llvm-svn: 49337
2008-04-07 13:43:58 +00:00
Duncan Sands fbc6adcc59 Use Intrinsic::getDeclaration to get hold of
intrinsics.  Fix up the argument type (should
be i8*, was an array*).

llvm-svn: 49336
2008-04-07 13:41:19 +00:00
Dale Johannesen 87e484f08b Mark calls to llvm.stacksave, llvm.stackrestore as
nounwind.  When such calls are inlined into something
else that is invoked, they were getting changed to invokes,
which is badness.

llvm-svn: 49299
2008-04-07 00:08:48 +00:00
Gabor Greif e9ecc68d8f API changes for class Use size reduction, wave 1.
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.

llvm-svn: 49277
2008-04-06 20:25:17 +00:00
Evan Cheng ac38d444e2 1. Drop default inline threshold back down to 200.
2. Do not use # of basic blocks as part of the cost computation since it doesn't really figure into function size.
3. More aggressively inline function with vector code.

llvm-svn: 49061
2008-04-01 23:59:29 +00:00
Dale Johannesen 5e4e051c2a Revert 49006 for the moment.
llvm-svn: 49046
2008-04-01 20:00:57 +00:00
Dale Johannesen 7d02cf3c9c Emit exception handling info for functions which are
not marked nounwind, or for all functions when -enable-eh
is set, provided the target supports Dwarf EH.

llvm-gcc generates nounwind in the right places; other FEs
will need to do so also.  Given such a FE, -enable-eh should
no longer be needed.

llvm-svn: 49006
2008-03-31 23:40:23 +00:00
Evan Cheng 3471ae8c5d Increasing the inline limit from (overly conservative) 200 to 300. Given each BB costs 20 and each instruction costs 5, 200 means a 4 BB function + 24 instructions (actually less because caller's size also contributes to it).
Furthermore, double the limit when more than 10% of the callee instructions are vector instructions. Multimedia kernels tend to love inlining.

llvm-svn: 48725
2008-03-24 06:37:48 +00:00
Anton Korobeynikov d38b3fb127 Preserve calling convention during function cloning
llvm-svn: 48708
2008-03-23 16:03:00 +00:00
Evan Cheng 5daf090a1a 80 col violation.
llvm-svn: 48573
2008-03-20 00:20:23 +00:00
Nick Lewycky 7698bfbe16 Update -mem2reg to use succ_iterator instead of iterating across TerminatorInst
successors. This makes it support nounwind.

llvm-svn: 48320
2008-03-13 02:42:41 +00:00
Dan Gohman 20af5a0fe7 Check to see if a two-entry PHI block can be simplified
before trying to merge the block into its predecessors.
This allows two-entry-phi-return.ll to be simplified
into a single basic block.

llvm-svn: 48252
2008-03-11 21:53:06 +00:00
Devang Patel 64d0f07085 Restore optimization that merges blocks when inline function
has single return value.

llvm-svn: 48162
2008-03-10 18:34:00 +00:00
Devang Patel 72ea2dc9a9 Simplify
llvm-svn: 48161
2008-03-10 18:22:16 +00:00
Devang Patel c0325b2040 simplify
llvm-svn: 48160
2008-03-10 18:11:41 +00:00
Nick Lewycky fb2c1a999a Turn unwind_to into "unwinds to".
llvm-svn: 48123
2008-03-10 02:20:00 +00:00
Nick Lewycky 42445be0df Firstly, having a BranchInst isn't exclusive with having an unwind_to.
Secondly, we have to check whether the branch is actually pointing to the block
with the unwind in it. We could have gotten here because of the unwind_to alone.

llvm-svn: 48099
2008-03-09 07:50:37 +00:00
Nick Lewycky f3d637fa14 A BB that unwind_to an "unwind" inst is that same as one that doesn't unwind_to
at all.

llvm-svn: 48096
2008-03-09 07:36:38 +00:00
Nick Lewycky 11fc6f8765 Update the block cloner which fixes bugpoint on code using unwind_to (phew!)
and also update the cloning interface's major user, the loop optimizations.

llvm-svn: 48088
2008-03-09 05:24:34 +00:00
Nick Lewycky 5ce9b521d7 Update the inliner and simplifycfg to handle unwind_to.
llvm-svn: 48086
2008-03-09 05:10:13 +00:00
Nick Lewycky cc24104703 Two things. Preserve the unwind_to when splitting a BB.
Add the ability to remove just one instance of a BB from a phi node. This fixes
the compile error in the tree now.

llvm-svn: 48085
2008-03-09 05:04:48 +00:00
Devang Patel 780b3ca64b Update inliner to handle functions that return multiple values.
llvm-svn: 48020
2008-03-07 20:06:16 +00:00
Devang Patel 3b1c95f885 Handle 'ret' with multiple values.
llvm-svn: 47965
2008-03-05 21:50:24 +00:00
Devang Patel e516aa1127 Skip functions that return multiple values.
llvm-svn: 47924
2008-03-05 00:36:59 +00:00